Yes you can file for AOS if the visa becomes current. You can file for EAD without fee with the underlying AOS.

I am us citizen applied for my husband but my case in nvc since 6 weeks my husband got matched in residency programe but if he ?

No, this does not appear to be a grounds for NVC to expedite. You can attempt to write to NVC to expedite in any case with proof of your request.

This doesn’t appear to be an immigration question or even legal. Consult with your school guidance counselor for advice.

Can I return to the US if I get married in Australia and live there for 5 years but do not become an Australian citizen?

Yes as a USC you can remain outside the US without limit as is the case for LPRs.

I'm already 28 and I'm a U.S citizen and I want to fix my mom papers

This is possible given information you have provided. You need proof of her lawful admission. Consider working with an experienced attorney for...

What are the chances my bf gets a bond at immigration ?

It is most advisable to consult with an attorney in private regarding bond for your boyfriend.

How to live legally in USA after my visa (( B1/B2 )) expired ?

I agree with my colleague about the options available, which primarily include adjusting status through a good faith marriage to a USC.

I give birth a baby in USA with B1/B2 visa and I applied for immigration I140 Is this application can be affected?

It is best to speak about your circumstances with your employers counsel who filed the initial petition.

You will need the passport number. Consult with your home country’s consulate for information about previous passport number.

Abandoning green card

No there should be no issue with departing the US. If abandoned you will have an issue upon a future reentry.